Rewrite OG Buttons

This commit is contained in:
T
2025-09-11 15:36:04 +02:00
parent 4bbb323f30
commit fe3d3967a8
4 changed files with 257 additions and 167 deletions

View File

@@ -1,20 +1,37 @@
import json
import subprocess
import threading
import time
import urllib.request
import RPi.GPIO as gpio
import board
import digitalio
import neopixel
import paho.mqtt.client as mqtt
from adafruit_led_animation import color
from adafruit_led_animation.animation.chase import Chase
from adafruit_led_animation.animation.rainbowcomet import RainbowComet
def ssh(host, name):
def ssh_(host_, name_):
print("[ssh]", f"{name_}@{host_}")
subprocess.check_call(["ssh", f"{name_}@{host_}"], stdin=subprocess.DEVNULL)
class SubStrip:
def __init__(self, strip, pixel: list[int]):
self.strip: neopixel.NeoPixel = strip
self._pixel_map = pixel
threading.Thread(target=ssh_, args=(host, name)).start()
def __len__(self):
return len(self._pixel_map)
def __setitem__(self, key, value):
if isinstance(key, slice):
for i, v in zip(range(*key.indices(len(self._pixel_map))), value):
self.strip[self._pixel_map[i]] = v
else:
self.strip[self._pixel_map[key]] = value
def show(self):
self.strip.show()
def fill(self, color):
for p in self._pixel_map:
self.strip[p] = color
class Door:
@@ -22,194 +39,244 @@ class Door:
self.host = host
self.user_open = user_open
self.user_close = user_close
self.inprogress = False
def _ssh(self, host, name):
def _ssh_(host_, name_):
self.inprogress = True
try:
print("[ssh]", f"{name_}@{host_}")
subprocess.check_call(["ssh", f"{name_}@{host_}"], stdin=subprocess.DEVNULL)
except subprocess.CalledProcessError as ex:
print("[ssh]", ex)
self.inprogress = False
threading.Thread(target=_ssh_, args=(host, name)).start()
def open(self):
ssh(self.host, self.user_open)
self._ssh(self.host, self.user_open)
def close(self):
ssh(self.host, self.user_close)
self._ssh(self.host, self.user_close)
class ButtonStrip:
def __init__(self, strip, leds):
self.leds = leds
self.strip = strip
class FoodoorMQTT:
def __init__(self, areas):
self.areas = areas
self.message_cbs = []
def draw(self, color):
for led in self.leds:
self.strip[led] = color
self.client = mqtt.Client()
self.client.on_connect = self.on_connect
self.client.on_message = self.on_message
self._connect_lock = threading.Condition()
self._data = {}
def _subscribe(self):
for area in self.areas:
self.client.subscribe(f"foobar/{area}/foodoor/status", 1)
def connect(self, host="mqtt.chaospott.de"):
try:
self.client.connect(host)
self.client.loop_start()
with self._connect_lock:
self._connect_lock.wait()
except Exception as e:
print(f"Verbindungsfehler zu MQTT-Server: {e}")
def disconnect(self):
self.client.loop_stop()
def on_connect(self, client, userdata, flags, rc):
self._subscribe()
with self._connect_lock:
self._connect_lock.notify()
def on_message(self, client, userdata, msg):
print(f"MQTT-Server Message: {msg.topic} {msg.payload.decode()}")
self._data[msg.topic] = msg.payload.decode()
for cb in self.message_cbs:
cb(msg.topic)
def get_door(self, area):
return self._data.get(f"foobar/{area}/foodoor/status")
def is_open(self, area):
return self.get_door(area) == "open"
class ButtonHandler(threading.Thread):
def __init__(self, pin, func, edge='both', bouncetime=100):
super().__init__(daemon=True)
class StateMenu:
OFF = 0
SHOW_STATE = 1
CHANGE = 2
PROGRESS = 3
RAINBOW = 4
self.pin = pin
self.func = func
self.edge = edge
self.bouncetime = bouncetime / 1000
def __init__(self):
self.state = StateMenu.OFF
self.change_target = None
self.target_state = None
self.anim = []
self.timeout = None
self.next_state = None
self.reset_state()
self.lastpinval = gpio.input(self.pin)
self.lock = threading.Lock()
self.mqtt = FoodoorMQTT(["oben", "unten"])
self.mqtt.message_cbs.append(lambda *_: self.draw())
self.mqtt.connect()
def __call__(self, *args):
if not self.lock.acquire(blocking=False):
return
self.strip = neopixel.NeoPixel(board.D18, 36, brightness=0.5, pixel_order=neopixel.GRB, auto_write=False)
self.strip_cellar = SubStrip(self.strip, pixel=list(range(12)))
self.strip_center = SubStrip(self.strip, pixel=list(range(12, 24)))
self.strip_aerie = SubStrip(self.strip, pixel=list(range(24, 36)))
t = threading.Timer(self.bouncetime, self.read, args=args)
t.start()
self.doors = {
"cellar": Door("10.42.1.20", "open", "close"),
"aerie": Door("10.42.1.28", "open", "close"),
}
def read(self, *args):
pinval = gpio.input(self.pin)
def reset_state(self):
self.state = StateMenu.SHOW_STATE
self.change_target = None
self.target_state = None
self.anim.clear()
self.timeout = None
self.next_state = None
if ((pinval == 0 and self.lastpinval == 1 and self.edge in ['falling', 'both'])
or (pinval == 1 and self.lastpinval == 0 and self.edge in ['rising', 'both'])):
self.func(*args)
def button_pressed(self, btn):
if self.state == StateMenu.OFF:
self.set_state(StateMenu.SHOW_STATE)
elif self.state == StateMenu.RAINBOW and btn == "center":
self.reset_state()
elif self.state == StateMenu.SHOW_STATE or self.state == StateMenu.RAINBOW:
if btn == "center":
self.set_state(StateMenu.RAINBOW, 10)
elif btn in ("aerie", "cellar"):
self.set_state(StateMenu.CHANGE, 10)
self.change_target = btn
elif self.state == StateMenu.CHANGE:
if btn == self.change_target:
self.reset_state()
elif self.change_target == "aerie":
if btn == "center":
self.target_state = "open"
elif btn == "cellar":
self.target_state = "close"
elif self.change_target == "cellar":
if btn == "aerie":
self.target_state = "open"
elif btn == "center":
self.target_state = "close"
self.lastpinval = pinval
self.lock.release()
if self.change_target is not None:
self.set_state(StateMenu.PROGRESS, 5)
self.next_state = StateMenu.SHOW_STATE
print(self.change_target, self.target_state)
if self.target_state == "open":
self.doors[self.change_target].open()
elif self.target_state == "close":
self.doors[self.change_target].close()
class ButtonSensor:
def __init__(self, pin, callback):
self.pin = pin
elif self.state == StateMenu.PROGRESS:
pass
gpio.setup(pin, gpio.IN, pull_up_down=gpio.PUD_UP)
self.handler = ButtonHandler(pin, callback, edge='falling', bouncetime=100)
self.handler.start()
gpio.add_event_detect(pin, gpio.BOTH, callback=self.handler)
self.draw()
def set_state(self, state, timeout=None):
self.state = state
self.timeout = None
if timeout is not None:
self.timeout = time.monotonic() + timeout
class ButtonPress(Exception):
def __init__(self, pin):
super().__init__()
self.pin = pin
def draw(self):
self.anim.clear()
if self.state == StateMenu.OFF:
self.strip.fill(color.BLACK)
elif self.state == StateMenu.SHOW_STATE:
self.strip_aerie.fill(color.GREEN if self.mqtt.is_open("oben") else color.RED)
self.strip_cellar.fill(color.GREEN if self.mqtt.is_open("unten") else color.RED)
self.strip_center.fill(color.BLACK)
elif self.state == StateMenu.CHANGE:
if self.change_target == "aerie":
self.anim = [
Chase(self.strip_center, 0.5, color=color.GREEN, size=1, spacing=11),
Chase(self.strip_cellar, 0.5, color=color.RED, size=1, spacing=11),
]
elif self.change_target == "cellar":
self.anim = [
Chase(self.strip_aerie, 0.5, color=color.GREEN, size=1, spacing=11),
Chase(self.strip_center, 0.5, color=color.RED, size=1, spacing=11),
]
elif self.state == StateMenu.PROGRESS:
self.strip_center.fill(color.BLACK)
if self.change_target == "aerie":
self.strip_cellar.fill(color.GREEN if self.mqtt.is_open("unten") else color.RED)
self.anim = [Chase(self.strip_aerie, 0.05, size=1,
color=color.GREEN if self.target_state == "open" else color.RED)]
elif self.change_target == "cellar":
self.strip_aerie.fill(color.GREEN if self.mqtt.is_open("oben") else color.RED)
self.anim = [Chase(self.strip_cellar, 0.05, size=1,
color=color.GREEN if self.target_state == "open" else color.RED)]
elif self.state == StateMenu.RAINBOW:
self.strip_aerie.fill(color.GREEN if self.mqtt.is_open("oben") else color.RED)
self.strip_cellar.fill(color.GREEN if self.mqtt.is_open("unten") else color.RED)
self.anim = [RainbowComet(self.strip_center, 0.05, ring=True)]
class MultiSensor:
def __init__(self, pins):
self.pressed = None
self.buttons = [ButtonSensor(pin, self.press) for pin in pins]
def tick(self):
if self.timeout and self.timeout < time.monotonic() and not (self.change_target and self.doors[self.change_target].inprogress):
if self.next_state is not None:
self.set_state(self.next_state, 10)
self.next_state = None
else:
self.reset_state()
self.draw()
def press(self, pin):
self.pressed = pin
for a in self.anim:
a.animate(show=False)
self.strip.show()
def sleepSecond(self):
for i in range(100):
if self.pressed is not None:
pressed_pin = self.pressed
self.pressed = None
raise ButtonPress(pressed_pin)
time.sleep(0.01)
def sleep(self, delay):
for i in range(delay):
self.sleepSecond()
class APILoader(threading.Thread):
def __init__(self, delay):
super().__init__()
self.delay = delay
self.data = None
self.loadData()
def getData(self):
if not self.is_alive():
print("API thread is dead. Trying to restart...")
self.start()
return self.data
def run(self):
while True:
try:
self.loadData()
except Exception as e:
print("Unable to load API data:", e)
time.sleep(self.delay)
def loadData(self):
# Load api data
print("Loading API data...")
response = urllib.request.urlopen("https://status-v2.chaospott.de/status.json").read()
data = json.loads(response.decode("utf-8"))
self.data = {door["location"]: not door["value"] for door in data["sensors"]["door_locked"]}
def deinit(self):
self.strip.deinit()
self.mqtt.disconnect()
def main():
print("[*] Initializing...")
# Initialize GPIO board
gpio.setmode(gpio.BCM)
btn_cellar = digitalio.DigitalInOut(board.D22)
btn_cellar.switch_to_input(digitalio.Pull.DOWN)
# Create LED-Strip handle
gpio.setup(4, gpio.IN, pull_up_down=gpio.PUD_UP)
strip = neopixel.NeoPixel(board.D18, 36, brightness=0.5, pixel_order=neopixel.GRB, auto_write=False)
btn_center = digitalio.DigitalInOut(board.D24)
btn_center.switch_to_input(digitalio.Pull.DOWN)
# Create sub-handle for each button handle
leds = {
"cellar": ButtonStrip(strip, list(range(1, 12))),
"center": ButtonStrip(strip, list(range(12, 24))),
"aerie": ButtonStrip(strip, list(range(24, 36))),
}
btn_aerie = digitalio.DigitalInOut(board.D23)
btn_aerie.switch_to_input(digitalio.Pull.DOWN)
# Create button press sensor
buttons = {
22: "cellar",
23: "aerie",
24: "center",
}
sensor = MultiSensor(buttons.keys())
menu = StateMenu()
btn_locked = False # For waiting while a button is still pressed
doors = {
"aerie": Door("10.42.1.28", "open", "close"),
"cellar": Door("10.42.1.20", "open", "close"),
}
# Initialize API interface
loader = APILoader(4)
loader.start()
print("[*] Starting...")
while True:
for led in leds:
leds[led].draw((0, 0, 0))
data = loader.getData()
for door in data:
if door in leds:
leds[door].draw((0, 255, 0) if data[door] else (255, 0, 0))
strip.show()
# Wait for a button press
try:
sensor.sleep(2)
except ButtonPress as press:
selection = buttons[press.pin]
if selection == "aerie":
leds["cellar"].draw((255, 0, 0))
elif selection == "cellar":
leds["aerie"].draw((255, 0, 0))
try:
while True:
if not btn_cellar.value:
if not btn_locked:
menu.button_pressed("cellar")
btn_locked = True
elif not btn_center.value:
if not btn_locked:
menu.button_pressed("center")
btn_locked = True
elif not btn_aerie.value:
if not btn_locked:
menu.button_pressed("aerie")
btn_locked = True
else:
continue
btn_locked = False
leds["center"].draw((0, 255, 0))
leds[selection].draw((0, 0, 0))
strip.show()
try:
sensor.sleep(5)
except ButtonPress as press:
action = buttons[press.pin]
if action == "center":
doors[selection].open()
elif action != selection:
doors[selection].close()
menu.tick()
time.sleep(.01)
except KeyboardInterrupt:
menu.deinit()
if __name__ == '__main__':

5
1og/requirements.txt Normal file
View File

@@ -0,0 +1,5 @@
adafruit-circuitpython-neopixel
adafruit-circuitpython-led-animation
paho-mqtt
RPi.GPIO
rpi-ws281x

View File

@@ -3,13 +3,25 @@
FILE=/etc/systemd/system/buttond.service
cat > $FILE << EOF
button=$(realpath button.py)
if [[ ! -f $button ]]; then
echo button.py not found
exit 1
fi
vpython=$(realpath venv/)/bin/python
if [[ ! -e $vpython ]]; then
echo venv not found
exit 1
fi
cat > "$FILE" << EOF
[Unit]
Description = buttonctl
[Service]
Type = simple
ExecStart = /usr/bin/python3 $PWD/button.py
ExecStart = $vpython $button
[Install]
WantedBy=multi-user.target

View File

@@ -126,6 +126,7 @@ class DoorLocal(Door):
class FoodoorMQTT:
def __init__(self, areas):
self.areas = areas
self.message_cbs = []
self.client = mqtt.Client()
self.client.on_connect = self.on_connect
@@ -158,6 +159,8 @@ class FoodoorMQTT:
def on_message(self, client, userdata, msg):
print(f"MQTT-Server Message: {msg.topic} {msg.payload.decode()}")
self._data[msg.topic] = msg.payload.decode()
for cb in self.message_cbs:
cb(msg.topic)
def get_door(self, area):
return self._data.get(f"foobar/{area}/foodoor/status")
@@ -179,8 +182,10 @@ class StateMenu:
self.anim = []
self.timeout = None
self.next_state = None
self.reset_state()
self.mqtt = FoodoorMQTT(["oben", "unten"])
self.mqtt.message_cbs.append(lambda *_: self.draw())
if SIM:
self.mqtt.connect("127.0.0.1")
else:
@@ -233,9 +238,11 @@ class StateMenu:
self.draw()
def set_state(self, state, timeout):
def set_state(self, state, timeout=None):
self.state = state
self.timeout = time.monotonic() + timeout
self.timeout = None
if timeout is not None:
self.timeout = time.monotonic() + timeout
def draw(self):
self.anim.clear()
@@ -251,7 +258,6 @@ class StateMenu:
Chase(self.strip_unten, 0.5, color=color.RED, size=1, spacing=11),
]
elif self.state == StateMenu.PROGRESS:
self.strip_oben.fill(color.GREEN if self.mqtt.is_open("oben") else color.RED)
if self.change_target == "oben":
self.strip_unten.fill(color.GREEN if self.mqtt.is_open("unten") else color.RED)
self.anim = [Chase(self.strip_oben, 0.05, size=1,